Geez… wonder what the accident rate is, cars and pedestrians. I now appreciate my job better!
Suddenly I feel like putting up my Christmas tree…[:D]
This is only a fantasy, but what that tram driver needs is an air-powered paint sprayer – or maybe one of those paint-ball guns.
If the engineer used a paint ball gun and hit something that was trespassing on railroad property, would he be held innocent?
[quote user=“Flintlock76”]
No thanks to him. His activity seems to consist of ignoring the fact that infected people are asymptomatic for 4-5 days and some never show symptoms at all while being infectious. So, Mcfarlane, go on out there about your business as usual and bring a dose home to Pop. Maybe they will let you drive by and honk as they put him in the ground.
Convicted One
Flintlock76
From “All coronavirus, all the time!” news coverage? Yeah, don’t we all! Well here’s a good distraction with lots of happy stuff! It’s the Penn Rail Video site! I’ll start you off with this one, New Hope & Ivyland #40 doing some smart running! https://www.youtube.com/watch?v=5WLIt97u1VY The rest are here, you can pick out your own. https://www.youtube.com/user/csx6000 Have fun! I’m going to!Can I copy and paste long-winded dissertations of copywrited materials published elsewhere including the in-line links from the other source?
C-O, if I understand your question it’s OK to show the link to any possible copyrighted material, but not the material itself. We had a hassle over this a while back. Some of the stuff another poster was displaying was so old I couldn’t believe it was still copyrighted but the moderators still went into a tizzy over it.
Best just to show the link, that way no-one gets in trouble.
And Mr. McFarl
One of the comments says the the locomotive is carrying over or foaming. What does that mean?
If I remember correctly, “foaming” or “carrying over” usually means there’s too much water in the boiler and not enough room for the steam generated. It leads to water getting into the steam passages and down into the valves and cylinders. Not good. It affects the locomotive’s performance adversely and can lead to cylinder damage.
Do you remember which video had the “foaming” comment? A lot of times I don’t bother with the viewer comments after watching a YouTube video.
Superheated steam with water in it is not good since water does not compress. I understand that on a superheated locomotive, water in the cylinders can blow the heads off. I recall a photo of a PRR locomotive in Trains years ago where that happened.
The first one listed. How does too much water get in th
How does too much water get in there?
From overuse of the injector, or injectors, the apparatus for feeding water from the tender into the boiler. Again if I remember right the boiler water glasses, or columns that indicate the boilers water level on the backhead in the engine cab, should show about 2/3’ds full, more or less, any more than that and you’re inviting foaming and carry-over due to an over-filled boiler. If there’s any experienced steam guys out there please feel more than free to correct me if I’m wrong.
I saw the YouTube viewer’s comment and watched the video again. Honestly everything looked OK to me, the only thing I would question is all the steam appearing around the cylinders. Either there was a problem with the cylinder packing causing steam to leak, or the engine crew were running with the cylinder cocks open for dramatic effect knowing there was a camera crew on site.
Be advised, everything I know about steam locomotives comes from the books and other Forum posters, I’ve never had the priviledge of running one myself, so there’s no way I can call myself an expert on this.
“Foaming” and “priming” are technically two somewhat different things, but they have the same general effect.
Remember that you can’t, and don’t, fill a conventional boiler ‘all the way up’ with water. This is true even if you’re going to be running the engine up and down severe grades and both the longitudinal ‘slosh’ and the danger of uncovering part of the crown need to be addressed … often via carrying more water than is sensible ‘on the level’. If you wonder why the top of the firebox is so far below the shell in a radial-shell firebox … or why the crown and top in a Belpaire box slope backward toward the cab in a good design … this is part of the ‘reason why’
MEANWHILE most people have no real idea of what water in a boiler actually looks and behaves like, just as they don’t realize quite how many drop plugs would be required in a Super-Power firebox to have the ‘desired effect’ in the advertising. Porta famously commented that it is like ‘boiling milk’ and if you’ve ever had to snatch a saucepan off the stove when scalding and the foam rises up you will appreciate just what he means. In that foam are both solids (see a discussion of ‘TDS’ about them) and a considerable amount of water, and if any of that gets through the mouth of the dry pipe you have carryover.
Further meanwhile, on many locomotives the dry pipe mouth is ‘safely’ up in a dome, but on modern locomotives this can be abbreviated in actual height, or in modern designs actually ‘missing’ and replaced with some fancy arrangement of steam-separator paraphernalia as in Niagaras. The fun comes in when you open the throttle a bit too fast, or the engine requires substantial mass flow of steam: this can cause a relative loss of pressure in the region around the mouth of the dry pipe, and this can extend in effect down toward the foaming region, and even to the substantially-liq
Even with low pressure systems such as steam heating systems, you have to be careful not to put too much water into the boiler. My first two years in college, I had the (paid) responsibility to go around every night, fill stokers, and check water levels. About midnight, one Saurday night in my last January in college, the house president, apparently thinking I still had some responsibilty, came pounding up to my room about midnight, and exclaimed, “A STEAM PIPE HAD BURST IN THE BASEMENT!” I went down, and found hot water dripping from an overhead radiator (you do not notice a steam leak overhead, but when hot water starts dripping on you…) I immediately knew WHY the water was dripping–the boy who had the responsibility had looked at the water glass, thought more water was needed, opened the inlet valve, filled the stoker, and went on his way.
I went back to my room, put some clothes on (it was cold outside), went down, out and around to the boiler room. went in, closed the inlet, opened an 1 1/2" valve–an hour later, I closed that valve and went back to bed. I do not think that the boy would have known any more than to close the inlet, for I doubt that he had been exposed to the existence of the valve I opened.
Monday morning, I told the Superintendent of Buildings and Grounds of the event, and told him he owed me an hour–and he laughed (the night attendant was given credit of one hour each night; it seldom took me even half an hour)